期刊
JOURNAL OF APPLIED PHYSICS
卷 104, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2959377
关键词
-
资金
- DARPA [HR0011-05-C-0068]
Several lumped element-based epsilon-negative (ENG), mu-negative (MNG), and double-negative (DNG) metamaterial designs have been developed for operation at 400 MHz in the UHF frequency band. The use of lumped elements enabled the creation of highly sub-wavelength unit cells whose overall size was lambda(0)/d similar to 75 at 400 MHz. The measured negative index material (NIM) showed an effective real index of refraction n(real)=-3.11 with a total loss that was less than 1 dB/cm. The NIM bandwidth was >10% in the neighborhood of 400 MHz. (C) 2008 American Institute of Physics.
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